Creating a fresh controversy for himself and the Trinamool Congress, Mamata Banerjee's nephew Abhishek claimed his aunt, Mamata Banerjee's government should be credited for "killing" dreaded Maoist leader, Kishanji. He addressed a public rally today afternoon in Belpahari and said that Mamata Banerjee government had "killed Kishenji" and "It proved that the people would say the last word.